Table 2.
Colorimetric detection of CO2 using different dyes
| Sl. no. | Dye solution–CO2 mixture | Average response time (s) |
|---|---|---|
| 1 | NR(P10T25CO2) | 15 |
| 2 | PR(P10T25CO2) | 15 |
| 3 | CP(P10T25CO2) | 10 |
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